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How do I get only directories using Get-ChildItem?

...tainer. You want to select only those items. Get-ChildItem -Recurse | ?{ $_.PSIsContainer } If you want the raw string names of the directories, you can do Get-ChildItem -Recurse | ?{ $_.PSIsContainer } | Select-Object FullName For PowerShell 3.0 and greater: dir -Directory ...
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How to check if an email address exists without sending an email?

... C:\>telnet STACKOVERFLOW.COM.S9A1.PSMTP.com 25 220 Postini ESMTP 213 y6_35_0c4 ready. CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements. helo hi 250 Postini says hello back mail from: <me@myhost.com> 250 Ok rcpt ...
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How to play a local video with Swift?

... class ViewController: UIViewController { override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) playVideo() } private func playVideo() { guard let path = Bundle.main.path(forResource: "video", ofType:"m4v") else { debugPrint("...
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MongoDB, remove object from array

... try.. db.mycollection.update( {'_id': ObjectId("5150a1199fac0e6910000002")}, { $pull: { "items" : { id: 23 } } }, false, true ); share | improve thi...
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(HTML) Download a PDF file instead of opening them in browser when clicked

... support seems to be enhanced for this feature, see: w3schools.com/tags/att_a_download.asp – Daniel Resch Aug 24 '19 at 21:51 ...
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How does Apple know you are using private API?

...ist all linked symbols. This can detect Undocumented C functions such as _UIImageWithName; Objective-C classes such as UIProgressHUD Ivars such as UITouch._phase (which could be the cause of rejection of Three20-based apps last few months.) 3. Listing Objective-C selectors, or strings Objective...
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How to initialize a vector in C++ [duplicate]

... give you the beginning and end of an array: template <typename T, size_t N> T* begin(T(&arr)[N]) { return &arr[0]; } template <typename T, size_t N> T* end(T(&arr)[N]) { return &arr[0]+N; } And then you can do this without having to repeat the size all over: int vv[]...
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error C2664: “std::list::list(const std::allocator &)”: 不能将参数 1...

...转换为“const std::allocator &”错误日志:error C2664: std::list<_Ty>::list(const std::allocator<_Ty> &): 不能将参数 1 从std::vector<_Ty>转换为const std::...错误日志: error C2664: “std::list<_Ty>::list(const std::allocator<_Ty> &)”: 不能将参数 1 从 “std::vect...
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How to delete or add column in SQLITE?

...re are external tables referring to this table one must call PRAGMA foreign_keys=OFF. In this case, after doing this sequence one must call PRAGMA foreign_keys=ON in order to re-enable foreign keys. – PazO Apr 11 '18 at 9:12 ...
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Cannot delete or update a parent row: a foreign key constraint fails

...references. This: ALTER TABLE `advertisers` ADD CONSTRAINT `advertisers_ibfk_1` FOREIGN KEY (`advertiser_id`) REFERENCES `jobs` (`advertiser_id`); ...is actually the opposite to what it should be. As it is, it means that you'd have to have a record in the jobs table before the advertis...